Re: [OpenMap Users] Dragging and Scrolling

Hi Bryan,

On Friday, September 26, 2003, at 10:44 AM, Bryan Tedesco wrote:

> Hello,
>
> I am trying to get the map to move when I am dragging an object
> outside the boundaries.  So if the map is focused on theUSthat I can
> drag an object toEuropeor something like that.  Is this possible?  I
> am using a dNdCatcher similar to the beanBoxDndCatcher and I can’t
> seem to find anything that will be useful.  Any ideas?
>
> I can capture the point at which it exits the mapbean in the layer
> mouselistener when I’m not dragging, but I can’t figure out what to
> add to get it to work while dragging. 

I don't think I'd watch where it exits, I'd watch the border for
dragging. If either mouse coordinate gets < 3, or y < height-3 or x <
width -3, get the MapBean (source of the MouseEvent) and recenter the
projection to projection.inverse(x, y).

Hope this helps,

Don

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Don Dietrick, BBN Technologies, dietrick@bbn.com
10 Moulton Street, Cambridge, MA 02138
617-873-3031 [fax]-2794
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